Metamizole Impurities

  • Metamizole-EP Impurity A

  • Impurity: EP Impurity A
  • CAS No: N/A
  • Chemical Name: N-(2,5-dihydro-2,3-dimethyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)formamide

  • Metamizole-EP Impurity B

  • Impurity: EP Impurity B
  • CAS No: N/A
  • Chemical Name: 4-amino-1,2-dihydro-2,3-dimethyl-1-phenylpyrazol-5-one

  • Metamizole-EP Impurity C

  • Impurity: EP Impurity C
  • CAS No: N/A
  • Chemical Name: 1,2-dihydro-2,3-dimethyl-4-(methylamino)-1-phenylpyrazol-5-one

  • Metamizole-EP Impurity D

  • Impurity: EP Impurity D
  • CAS No: N/A
  • Chemical Name: 4-(dimethylamino)-1,2-dihydro-2,3-dimethyl-1-phenylpyrazol-5-one